Hi everybody,

That's my first proposal for Django, so I hope it's in the right shape. :)


Even though we have on_delete=PROTECTED on several models fields for a very 
good reason, there are circumstances where we want to circumvent this 
restriction for a very good reason, too. And we are 110% sure that this is 
a safe operation.

Tim already suggested to do this manually but this is very tedious for 
larger database structure as we have. We already wrote a generic function 
which provides that capability but we would appreciate a Django-bulitin 
functionality for this as we duplicate some Django-internal code.


Note 1: overriding Model.delete() does not help as we needed it (this time) 
in a backward migration to clean up what has been created in a forward 
migration. Migrations don't expose model-overriden functions.
Note 2: discussion started here: https://code.djangoproject.com/ticket/26664


Would this be valuable addition to Django?


Best,
Sven

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